It appears you are using unsupported graphics driver packages from a PPA:
LP-PPA-oibaf-graphics-drivers
Please remove the PPA from your system using the 'ppa-purge' command and
see if the problem persists. If it does then please open a new bug by
then running:
ubuntu-bug gnome-shell
** Summary changed:
- SCreen flickering continuous horizontal bars repainting
+ Screen flickering continuous horizontal bars repainting
** Description changed:
- The screen st robing happens kindof like we try to take video on the old
+ The screen strobing happens kind of like we try to take video on the old
TV's
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 4.15.0-30.32-generic 4.15.18
Uname: Linux 4.15.0-30-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Fri Aug 10 08:39:23 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus:
- bcmwl, 6.30.223.271+bdcom, 4.15.0-29-generic, x86_64: installed
- bcmwl, 6.30.223.271+bdcom, 4.15.0-30-generic, x86_64: installed
+ bcmwl, 6.30.223.271+bdcom, 4.15.0-29-generic, x86_64: installed
+ bcmwl, 6.30.223.271+bdcom, 4.15.0-30-generic, x86_64: installed
GraphicsCard:
- Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0102] (rev 09) (prog-if 00 [VGA controller])
- Subsystem: Hewlett-Packard Company 2nd Generation Core Processor Family
Integrated Graphics Controller [103c:2ac5]
+ Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0102] (rev 09) (prog-if 00 [VGA controller])
+ Subsystem: Hewlett-Packard Company 2nd Generation Core Processor Family
Integrated Graphics Controller [103c:2ac5]
InstallationDate: Installed on 2018-07-28 (12 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
MachineType: Hewlett-Packard HP Omni 120-1050xt Intel (Leon) 3C NA PC
ProcEnviron:
- TERM=xterm-256color
- PATH=(custom, no user)
- XDG_RUNTIME_DIR=<set>
- LANG=en_US.UTF-8
- SHELL=/bin/bash
+ TERM=xterm-256color
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-30-generic
root=UUID=c493744a-7c5a-4a8a-a960-81900d0dc3ad ro quiet splash amdgpu.dc=0
vt.handoff=1
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/08/2011
dmi.bios.vendor: AMI
dmi.bios.version: LEO_703
dmi.board.name: 2AC5
dmi.board.vendor: Quanta
dmi.board.version: 000
dmi.chassis.asset.tag: 2MD14707SX
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnAMI:bvrLEO_703:bd09/08/2011:svnHewlett-Packard:pnHPOmni120-1050xtIntel(Leon)3CNAPC:pvr:rvnQuanta:rn2AC5:rvr000:cvnHewlett-Packard:ct3:cvr:
dmi.product.family: 103C_53316J G=D
dmi.product.name: HP Omni 120-1050xt Intel (Leon) 3C NA PC
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.93+git1808081830.f4f61e~oibaf~b
version.libgl1-mesa-dri: libgl1-mesa-dri 18.3~git1808080730.cfe69d~oibaf~b
version.libgl1-mesa-glx: libgl1-mesa-glx 18.3~git1808080730.cfe69d~oibaf~b
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:18.0.99+git1808031933.740f08~oibaf~b
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git1807201025.3d3950~oibaf~b
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.15+git1807201019.ac8f7b~oibaf~b
** Changed in: xorg (Ubuntu)
Status: New => Invalid
** Package changed: xorg (Ubuntu) => ubuntu
--
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1786502
Title:
Screen flickering continuous horizontal bars repainting
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https://bugs.launchpad.net/ubuntu/+bug/1786502/+subscriptions
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